carboxylic acid
Học thuậtThân thiện
A student draws the molecular structure of a carboxylic acid on a whiteboard.
Definition
Noun: An organic acid characterized by the presence of one or more carboxyl groups (-COOH). Carboxylic acids are a class of compounds that are typically weak acids and are important in many biological and industrial processes.
Usage
The term "carboxylic acid" is used as a countable noun to refer to specific compounds within this chemical class. It is primarily used in scientific, chemical, and biochemical contexts.
Examples
- Acetic acid, found in vinegar, is a simple carboxylic acid.
- Fatty acids are long-chain carboxylic acids that are essential components of lipids.
- The reaction converts the alcohol into a carboxylic acid.
Advanced Usage
- As a modifier: The term can function attributively to describe other nouns related to this class of compounds.
- Example: The carboxylic acid group is highly polar.
- Example: They studied carboxylic acid derivatives like esters and amides.
Variants and Related Words
- Carboxyl (noun): The univalent radical -COOH, which is the functional group defining this class of acids.
- Carboxylate (noun): A salt or ester of a carboxylic acid.
- Dicarboxylic acid (noun): A carboxylic acid containing two carboxyl groups (e.g., oxalic acid).
- Amino acid (noun): An organic compound containing both amino and carboxylic acid functional groups.
Synonyms
- Organic acid (This is a broader term; "carboxylic acid" is a specific type of organic acid.)
Different Meanings
The term "carboxylic acid" has a single, specific meaning in chemistry and does not have other common definitions.
A student draws the molecular structure of a carboxylic acid on a whiteboard.
Noun
- an organic acid characterized by one or more carboxyl groups